Four-year-old Petra Kvitova practicing tennis shots

Petra Kvitova is the hottest player of the moment with her WTA Championships titleand the year can also be considered hers, as she won Wimbledon as one of her six titles in 2011. The Czech is now enjoying her career-high ranking of number two and the next season is expected to be more than bright for this 21-year-old. Now let’s see how little Kvitova was handling the tennis racquet 17 years ago.